Home / 10,078,728.40-15,118,092.60-5,827,200.40

Finding the Fourth Proportional to 10,078,728.40, 15,118,092.60 and 5,827,200.40

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Solution

The fourth proportional to 10,078,728.40, 15,118,092.60 and 5,827,200.40 is: 8,740,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,728.40 : 15,118,092.60 = 5,827,200.40 : x
  2. Step 2: Convert to fraction form
    10,078,728.40/15,118,092.60 = 5,827,200.40/x
  3. Step 3: Cross multiply
    10,078,728.40x = 15,118,092.60 × 5,827,200.40
  4. Step 4: Simplify right side
    10,078,728.40x = 88,096,155,245,957.05
  5. Step 5: Solve for x
    x = 88,096,155,245,957.05/10,078,728.40
  6. Step 6: Final answer
    x = 8,740,800.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.